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| Issue: 01 Specification AXIOM20-17 Oscillator type : OCXO for Cospas-Sarsat Beacons Date: 2007-10-17 Parameter Frequency range Nominal frequency Frequency stability Initial tolerance vs. temperature - temperature ramp of 5 C / h - thermal shock of 30C operating temperature range vs. supply voltage variation vs. load change Overall aging 5 years Frequency adjustment range Electronic Frequency Control (EFC) RF output Signal waveform Load Rise & decay time Symmetry Warm-up time Supply voltage VS1 (Oven) Current consumption (steady state) Current consumption during warm-up Supply voltage VS2 (Oscillator) Current consumption (VS2) Operable temperature range Storage temperature range Enclosure (see drawing) Weight Packing ESD Sensitivity min. typ. 60.750 1 max. Unit MHz MHz ppm ppm ppb/min ppb C C ppb ppb ppm Condition 2 2 2 +55 +55 20 20 10 -40 -20 Note 3 Clause 4.2.2 Clause 4.2.3 Class 1 (Option I) Class 2 (Option I) VS 5% N.A. HCMOS 15 7 40 60 2 4.75 5.0 5.25 100 300 400 250 300 4.75 5.0 5.25 10 15 -45 +60 -45 +105 20.7x13.1x8.5 max. 5 Palette or stick 1500 pF ns % min V mA mA mA V mA C C mm gram V ffinal/f0 < 0.1 ppm Note 2 @ +25C Class 1 Class 2 Note 2 IEC 60679-3 CO 02 HBM as in IEC 610004-2 Notes: 1. Terminology and test conditions are according to IEC standard IEC60679-1, unless otherwise stated 2. Oven supply VS1 can be switched on and off separately, while oscillator supply VS2 is on. Oven will not work properly without VS1 applied ! 3. In accordance with mentioned clauses of Cospas/Sarsat Specification C/S T.001 Ordering Code: Model (Specification) AXIOM20-17 Option I (Class) Frequency [MHz] 2 60.750 Example: AXIOM20-17-2-60.750 MHz GmbH & Co. KG Wasemweg 5 D-74821 Mosbach Germany AXIOM20-17 page 1(2) www.axtal.com fon: +49 (6261) 939834 fax: +49 (6261) 939836 E-mail: info@axtal.com Enclosure drawing Pin connections Pin # Symbol 1 VS1 7 GND 8 RF OUT 14 VS2 Function Supply Voltage (Oven) Ground RF Output Supply Voltage (Oscillator) Environmental conditions Test Visual inspection, dimensions Sealing tests (if applicable) Solderability Resistance to soldering heat Shock* Bump* Free fall* Vibration, sinusoidal* Rapid change of temperature Dry heat IEC 60068 Part ... IEC 60679-1 clause ... 4.3 4.6.2 4.6.3 Test conditions Enclosure styles as in IEC 60679-3 or 61837, if applicable Gross leak: Test Qc, Fine leak: Test Qk Test Ta (235 5)C Method 1 Test Tb Method 1A, 5s Test Ea, 3 x per axes 100g, 6 ms half-sine pulse Test Eb, 4000 bumps per Axes, 40g, 6 ms Test Ed procedure 1, 2 drops from 1m height Test Fc, 30 min per axes, 10 Hz - 55 Hz 0,75mm; 55 Hz - 2 kHz, 10g Test Na, 10 cycles at extremes of operating temperature range Test Ba, 16 h at upper temperature indicated by climatic category Test Db variant 1 severity b), 55C/95% r.H., 6 cycles Test Aa, 2 h at lower temperature indicated by climatic category st Sequence of 4.6.14, 4.6.15 (1 cycle), 4.6.16, 4.6.15 (5 cycles) Test Ca, 56 days 2-17 2-20 2-58 2-27 2-29 2-32 2-6 4.6.8 4.6.6 4.6.9 4.6.7 2-14 2-2 4.6.5 4.6.14 Damp heat, cyclic* Cold 2-30 2-1 4.6.15 4.6.16 Climatic sequence* Damp heat, steady state* Endurance tests - ageing - extended aging 1-7 2-3 4.6.17 4.6.18 4.7.1 4.7.2 30 days @ 85C, OCXO @25C 1000h, 2000h, 8000h @85C GmbH & Co. KG Wasemweg 5 D-74821 Mosbach Germany AXIOM20-17 page 2(2) www.axtal.com fon: +49 (6261) 939834 fax: +49 (6261) 939836 E-mail: info@axtal.com |
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